April 5, 2013, Macau, China --- (L-R) Undefeated No. 1 contender Diego Magdaleno and WBO World Super Featherweight Champion Roman "Rocky" Martinez weigh in (Martinez 130 lbs, Magdaleno 130 lbs) Friday at the Venetian Macau Resort in Macau ,China for their upcoming WBO World Super Featherweight title fight on Saturday, April 6, at the 15,000-seat CotaiArena at The Venetian Macao Resort in Macau,China. This historic world championship boxing event will be televised to the U.S. on Saturday,April 6, beginning at 2:00 p.m. ET/PT on HBO2. --- Photo Credit : Chris Farina - Top Rank (no other credit allowed) copyright 2013

April 5, 2013, Macau, China --- "FISTS OF GOLD" --- (L-R) Zou Shiming, two-time Olympic gold medalist and three-time World Amateur Champion and Eleazar Valenzuela of Mexico weigh in (Zou 111 lbs, Valenzuela 111.6 lbs) Friday at the Venetian Macau Resort in Macau ,China for their upcoming feature fight on Saturday, April 6, at the 15,000-seat CotaiArena at The Venetian Macao Resort in Macau,China. Shiming will make his professional Top Rank boxing debut at this historic world championship boxing event which ill be televised to the U.S. on Saturday,April 6, beginning at 2:00 p.m. ET/PT on HBO2. --- Photo Credit : Chris Farina - Top Rank (no other credit allowed) copyright 2013

April 5, 2013, Macau, China --- (L-R) Wilfredo Vazquez Jr. of Puerto Rico and Yasutaka Ishimoto of Japan weigh in ( Vazquez Jr. 122 lbs , Ishimoto 121.8 lbs) Friday at the Venetian Macau Resort in Macau ,China for their upcoming upcoming WBO International Super Bantamweight title fight on Saturday, April 6, at the 15,000-seat CotaiArena at The Venetian Macao Resort in Macau,China. This historic world championship boxing event will be televised to the U.S. on Saturday,April 6, beginning at 2:00 p.m. ET/PT on HBO2. --- Photo Credit : Chris Farina - Top Rank (no other credit allowed) copyright 2013

Nov 29, 2013; Quebec City, Quebec, CAN; Adonis Stevenson and Tony Bellew weigh in for their HBO Boxing After Dark bout in Quebec City, CAN. The two will meet on November 30, 2013 at the Colisee Pepsi in Quebec City. Mandatory Credit: Ed Mulholland/HBO

Adonis Stevenson, from Canada, celebrates in Montreal, on October 12, 2012. Stevenson's next fight will be for a world super-middleweight title. It is the name of his opponent that remains up in the air. THE CANADIAN PRESS/Graham Hughes

Saul Canelo Alvarez vs. Amir Khan, a 12-round fight for Canelo's WBC, Ring Magazine and Lineal Middleweight World Championships on Saturday, May 7 at the T-Mobile Arena in Las Vegas

Photo: Stephanie Trapp/Mayweather Promotions

PHOTO CREDIT: Tom Hogan - Hoganphotos/Roc Nation Sports

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

Foto Credito: Mikey Williams / Top Rank

INGLEWOOD, CA - JUNE 04: Michael Bisping of England wins in a first round knockout against Luke Rockhold in their UFC middleweight championship bout during the UFC 199 event at The Forum on June 4, 2016 in Inglewood, California. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)